Mack, John	3-6-1958	Electrocuted	Dallas	Huntsville, TX	406	Rape
Madden, Robert	5-28-1997	Lethal Injection	Leon	Huntsville, TX	822	Robbery
Madison, Bill	1-15-1886	Hanged	Madison	Madison Co., TX	n/a	Murder
Magnes, Tom	fall of 1861	Lynched	Hardin	Old Hardin, TX	n/a	Robbery
Mann, Fletcher	6-1-1995	Lethal Injection	Dallas	Huntsville, TX	705	Rape
Manning, Robert	4-28-1940	Electrocuted	Bexar	Huntsville, TX	228	Murder
Maple, J. J.	11-28-1930	Electrocuted	Harris	Huntsville, TX	82	Murder
Marquez, Mario	1-17-1995	Lethal Injection	Bexar	Huntsville, TX	776	Rape
Martinez, Ascension	2-21-1941	Electrocuted	Hidalgo	Huntsville, TX	232	Murder
Martinez, Eusebio	8-27-1960	Electrocuted	Midland	Huntsville, TX	421	Murder
Mason, Thomas	6-12-2000	Lethal Injection	Smith	Huntsville, TX	999035	Multiple Murder
Massey, Jason	4-3-2001	Lethal Injection	Ellis	Huntsville, TX	999121	Multiple Murder
Matthews, Allen	9-5-1951	Electrocuted	Harris	Huntsville, TX	347	Rape
Matthews, Mack	2-8-1924	Electrocuted	Tyler	Huntsville, TX	1	Murder
Matura, Clemens	7-2-1937	Electrocuted	Stonewall	Huntsville, TX	182	Murder
May, Justin	5-7-1992	Lethal Injection	Brazoria	Huntsville, TX	783	Robbery
May, W. D.	9-6-1935	Electrocuted	Tarrant	Huntsville, TX	156	Murder
Mayes, Noble D. Jr.	4-6-1995	Lethal Injection	Denton	Huntsville, TX	674	Robbery
McBride, Michael	5-11-2000	Lethal Injection	Lubbock	Huntsville, TX	903	Multiple Murder
McCallister, James	6-5-1936	Electrocuted	Hidalgo	Huntsville, TX	170	Murder
McCane, Riley	8-20-1948	Electrocuted	Jefferson	Huntsville, TX	306	Murder
McCarty, Earnest	7-9-1937	Electrocuted	Tarrant	Huntsville, TX	181	Rape
McClendon, F. M.	8-14-1949	Electrocuted	Lee	Huntsville, TX	319	Murder
McCoy, Stephen	5-24-1989	Lethal Injection	Harris	Huntsville, TX	769	Rape
McDuff, Kenneth Allen	11-17-1998	Lethal Injection	Harris	Huntsville, TX	999055	Kidnapping
McFadden, Jerry	10-14-1999	Lethal Injection	Bell	Huntsville, TX	875	Rape
McFarland, Eugene	6-30-1950	Electrocuted	Harris	Huntsville, TX	332	Rape
McFarland, Frank	4-29-1998	Lethal Injection	Tarrant	Huntsville, TX	963	Rape
McGinn, Ricky	9-27-2000	Lethal Injection	Brown	Huntsville, TX	999150	Rape
McGinnis, Glen	1-25-2000	Lethal Injection	Montgomery	Huntsville, TX	999039	Robbery
McGowen, Yancy	4-24-1957	Electrocuted	Harris	Huntsville, TX	394	Murder
McHenry, John	1-3-1957	Electrocuted	Harris	Huntsville, TX	398	Rape
McIntyre, Bennie	1-20-1963	Electrocuted	Lynn	Huntsville, TX	441	Rape
McKee, Ira	1-8-1932	Electrocuted	Dawson	Huntsville, TX	96	Murder
McMurrin, Richard	1-8-1952	Electrocuted	Galveston	Huntsville, TX	348	Rape
Meanes, James	12-15-1998	Lethal Injection	Harris	Huntsville, TX	689	Robbery
Merriman, Lee Roy	11-29-1929	Electrocuted	Dallas	Huntsville, TX	71	Rape
Meyer, Henry	6-8-1955	Electrocuted	Harris	Huntsville, TX	384	Murder
Miles, James	4-23-1939	Electrocuted	Dallas	Huntsville, TX	214	Rape
Miller, Garry	12-5-2000	Lethal Injection	Jones	Huntsville, TX	947	Kidnapping
Miller, G. R.	6-3-1910	Hanging	Childress	Donley Co., TX	n/a	Multiple-Murder	Clarendon, Texas?
Miller, Jim B.	4-19-1909	Lynched	Pontotoc	Ada, OK	n/a	Murder	Fort Worth, Texas, Lynching photo
Millikin, A. V.	11-5-1927	Electrocuted	Caldwell	Huntsville, TX	44	Murder
Milton, Charles	6-25-1985	Lethal Injection	Tarrant	Huntsville, TX	628	Robbery
Mitchell, Gerald  Lee	10-22-2001	Lethal Injection	Nueces	Huntsville, TX	838	Murder
Mitchell, Steve	9-25-1951	Electrocuted	Harris	Huntsville, TX	345	Murder
Monson, Henry	1-17-1913	Lynched	Lamar	Paris, TX	n/a
Montoya, Irineo	6-18-1997	Lethal Injection	Cameron	Huntsville, TX	847	Robbery
Montoya, Ramon	3-25-1993	Lethal Injection	Dallas	Huntsville, TX	737	Policeman
Moody, John	1-5-1999	Lethal Injection	Taylor	Huntsville, TX	933	Robbery
Moon, Nearvel	4-28-1960	Electrocuted	Harris	Huntsville, TX	416	Murder
Moore, Clyde	5-8-1946	Electrocuted	Henderson	Huntsville, TX	278	Rape
Moore, John	6-1856	?	Orange	Orange Co., TX	n/a	Counterfeiter
Moore, Michael	1-9-2002	Lethal Injection	Coryell	Huntsville, TX	999126	Burglary
Moore, Tommie	6-3-1938	Electrocuted	Limestone	Huntsville, TX	197	Murder
Moore, Wilson	2-1-1949	Electrocuted	Harris	Huntsville, TX	310	Rape
Moreland, James	1-27-2000	Lethal Injection	Henderson	Huntsville, TX	741	Robbery
Moreno, Eliseo	3-4-1987	Lethal Injection	Fort Bend	Huntsville, TX	759	Robbery
Morgan, Collin	8-19-1938	Electrocuted	El Paso	Huntsville, TX	205	Murder
Morin, Stephen	3-13-1985	Lethal Injection	Jefferson	Huntsville, TX	712	Kidnapping
Morris, Ewell	2-8-1924	Electrocuted	Liberty	Huntsville, TX	4	Murder
Morris, McKinley	5-16-1942	Electrocuted	Wilson	Huntsville, TX	243	Murder
Morrow, J. W.	2-9-1950	Electrocuted	Harris	Huntsville, TX	321	Murder
Moses, George	8-12-1960	Electrocuted	Harris	Huntsville, TX	414	Murder
Mosley, Walter	7-18-1962	Electrocuted	Harris	Huntsville, TX	437	Murder
Motley, Jeffery	2-7-1995	Lethal Injection	Harris	Huntsville, TX	789	Robbery
Mott, Jesse	2-9-1934	Electrocuted	Dallas	Huntsville, TX	128	Murder
Mouton, Abbie	12-8-1951	Electrocuted	Jefferson	Huntsville, TX	339	Murder
Muldrow, Theodia	2-21-1941	Electrocuted	Dallas	Huntsville, TX	233	Rape
Muniz, Pedro	5-19-1998	Lethal Injection	Williamson	Huntsville, TX	575	Rape
Munoz, Nicando	10-30-1931	Electrocuted	Hidalgo	Huntsville, TX	86	Murder
Murphy, Florence	8-30-1940	Electrocuted	Kaufman	Huntsville, TX	231	Rape
Murray, Allen	12-31-1944	Electrocuted	Denton	Huntsville, TX	265	Rape

Sources:
Texas Department of Criminal Justice Home Page for executions after 1977.  
The Rope, The Chair, And The Needle by James W. Marquart, ©1994, University of Texas Press for those executions before 1977.
Without Sanctuary by James Allen and John Littlefield, © 2000, for early lynchings in Texas.